How To Adjust Handlebar Height On A Bike [With Pictures]
To raise a quill-stem (older threaded headset) handlebar: loosen the stem bolt on top, lift the bars, retighten. To raise a threadless (modern Aheadset) handlebar: remove the stem cap and bolt, slide spacers from below the stem to above it, replace cap and bolt. Threadless stems can only go as high as the steerer tube … Read more